Home / 11,584,719.54-15,987,023.20-6,428,560.86

Finding the Fourth Proportional to 11,584,719.54, 15,987,023.20 and 6,428,560.86

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Solution

The fourth proportional to 11,584,719.54, 15,987,023.20 and 6,428,560.86 is: 8,871,475.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,584,719.54 : 15,987,023.20 = 6,428,560.86 : x
  2. Step 2: Convert to fraction form
    11,584,719.54/15,987,023.20 = 6,428,560.86/x
  3. Step 3: Cross multiply
    11,584,719.54x = 15,987,023.20 × 6,428,560.86
  4. Step 4: Simplify right side
    11,584,719.54x = 102,773,551,611,431.95
  5. Step 5: Solve for x
    x = 102,773,551,611,431.95/11,584,719.54
  6. Step 6: Final answer
    x = 8,871,475.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.